Has there been any charger technology on smartphones / tablets that can automatically disconnect power when the smartphone / tablet is fully charged? If true way to know how?
answers:
Most smartphones today already have the chips to keep the battery charging protection is not kept in-charge when it is full 100%. To know for sure, it is rarely or almost never presented in the accompanying specification or the specifications of its smartphones.
Leave overnight in a state in-charge. When you wake up in the morning, hold the back of the smartphone. Will be felt even in-charge overnight smartphone is now 'cool' or at normal temperature.
Some types of smartphones can display the remaining capacity of the battery in percentage figures. (For devices that do not have this feature, can download the application for free on PlayStore.) Most likely we will see that the battery is now 100% condition, when a new unplugged from the charger after charging overnight stay.
Wear the smartphone and notice, usually in a short amount of time the battery percentage would be immediately dropped. Usually the first 10%, the battery capacity will be reduced. Once the battery starts to go down a little longer.
If this is the case, chances are we have a smartphone or tablet circuit breaker, because when 2-3 hours after we left in charge, should the battery is full.
When in the morning when smartphones began to be used, the percentage of the battery is reduced immediately, actually because smartphones already in the state's "long enough since the battery charge is completed in full, which eventually consume the battery to run a variety of purposes in the background of smartphones.
